Home / 10,549.62-15,815.31-5,000.13

Finding the Fourth Proportional to 10,549.62, 15,815.31 and 5,000.13

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Solution

The fourth proportional to 10,549.62, 15,815.31 and 5,000.13 is: 7,495.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,549.62 : 15,815.31 = 5,000.13 : x
  2. Step 2: Convert to fraction form
    10,549.62/15,815.31 = 5,000.13/x
  3. Step 3: Cross multiply
    10,549.62x = 15,815.31 × 5,000.13
  4. Step 4: Simplify right side
    10,549.62x = 79,078,605.99
  5. Step 5: Solve for x
    x = 79,078,605.99/10,549.62
  6. Step 6: Final answer
    x = 7,495.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.